/*
 * ManerFan(http://manerfan.com). All Rights Reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *
 */

package com.manerfan.althorithm.search

import java.util.*

/**
 * @author manerfan
 * @date 2018/2/27
 */

class Node<K, V>(
        var key: K,
        var value: V,
        var left: Node<K, V>? = null,
        var right: Node<K, V>? = null,
        var red: Boolean = true
)

abstract class Search<K : Comparable<K>, V> : Dictionary<K, V>() {
    var size: Int = 0

    override fun isEmpty() = size == 0

    override fun size() = size

    override fun elements(): Enumeration<V> {
        throw NotImplementedError()
    }

    override fun keys(): Enumeration<K> {
        throw NotImplementedError()
    }
}
